src/misc.c

   1 /*
   2  *  Window Maker window manager
   3  *
   4  *  Copyright (c) 1997-2003 Alfredo K. Kojima
   5  *
   6  *  This program is free software; you can redistribute it and/or modify
   7  *  it under the terms of the GNU General Public License as published by
   8  *  the Free Software Foundation; either version 2 of the License, or
   9  *  (at your option) any later version.
  10  *
  11  *  This program is distributed in the hope that it will be useful,
  12  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  *  GNU General Public License for more details.
  15  *
  16  *  You should have received a copy of the GNU General Public License
  17  *  along with this program; if not, write to the Free Software
  18  *  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
  19  *  USA.
  20  */
  21 #include "wconfig.h"
  22
  23 #include <X11/Xlib.h>
  24 #include <X11/Xutil.h>
  25 #include <X11/Xatom.h>
  26 #include <sys/stat.h>
  27 #include <stdlib.h>
  28 #include <stdio.h>
  29 #include <string.h>
  30 #include <unistd.h>
  31 #include <stdarg.h>
  32 #include <pwd.h>
  33 #include <math.h>
  34 #include <time.h>
  35
  36 #include <WINGs/WUtil.h>
  37 #include <wraster.h>
  38
  39
  40 #include "WindowMaker.h"
  41 #include "GNUstep.h"
  42 #include "screen.h"
  43 #include "wcore.h"
  44 #include "window.h"
  45 #include "framewin.h"
  46 #include "funcs.h"
  47 #include "defaults.h"
  48 #include "dialog.h"
  49 #include "xutil.h"
  50 #include "xmodifier.h"
  51
  52
  53 /**** global variables *****/
  54
  55 extern WPreferences wPreferences;
  56
  57 extern Time LastTimestamp;
  58
  59
  60 #ifdef USECPP
  61 static void
  62 putdef(char *line, char *name, char *value)
  63 {
  64     if (!value) {
  65         wwarning(_("could not define value for %s for cpp"), name);
  66         return;
  67     }
  68     strcat(line, name);
  69     strcat(line, value);
  70 }
  71
  72
  73
  74 static void
  75 putidef(char *line, char *name, int value)
  76 {
  77     char tmp[64];
  78     snprintf(tmp, sizeof(tmp), "%i", value);
  79     strcat(line, name);
  80     strcat(line, tmp);
  81 }
  82
  83
  84 static char*
  85 username()
  86 {
  87     char *tmp;
  88
  89     tmp = getlogin();
  90     if (!tmp) {
  91         struct passwd *user;
  92
  93         user = getpwuid(getuid());
  94         if (!user) {
  95             wsyserror(_("could not get password entry for UID %i"), getuid());
  96             return NULL;
  97         }
  98         if (!user->pw_name) {
  99             return NULL;
 100         } else {
 101             return user->pw_name;
 102         }
 103     }
 104     return tmp;
 105 }
 106
 107 char *
 108 MakeCPPArgs(char *path)
 109 {
 110     int i;
 111     char buffer[MAXLINE], *buf, *line;
 112     Visual *visual;
 113     char *tmp;
 114
 115     line = wmalloc(MAXLINE);
 116     *line = 0;
 117     i=1;
 118     if ((buf=getenv("HOSTNAME"))!=NULL) {
 119         if (buf[0]=='(') {
 120             wwarning(_("your machine is misconfigured. HOSTNAME is set to %s"),
 121                      buf);
 122         } else
 123             putdef(line, " -DHOST=", buf);
 124     } else if ((buf=getenv("HOST"))!=NULL) {
 125         if (buf[0]=='(') {
 126             wwarning(_("your machine is misconfigured. HOST is set to %s"),
 127                      buf);
 128         } else
 129             putdef(line, " -DHOST=", buf);
 130     }
 131     buf = username();
 132     if (buf)
 133         putdef(line, " -DUSER=", buf);
 134     putidef(line, " -DUID=", getuid());
 135     buf = XDisplayName(DisplayString(dpy));
 136     putdef(line, " -DDISPLAY=", buf);
 137     putdef(line, " -DWM_VERSION=", VERSION);
 138
 139     visual = DefaultVisual(dpy, DefaultScreen(dpy));
 140     putidef(line, " -DVISUAL=", visual->class);
 141
 142     putidef(line, " -DDEPTH=", DefaultDepth(dpy, DefaultScreen(dpy)));
 143
 144     putidef(line, " -DSCR_WIDTH=", WidthOfScreen(DefaultScreenOfDisplay(dpy)));
 145     putidef(line, " -DSCR_HEIGHT=",
 146             HeightOfScreen(DefaultScreenOfDisplay(dpy)));
 147
 148     /* put the dir where the menu is being read from to the
 149      * search path */
 150     if (path) {
 151         tmp = wstrdup(path);
 152         buf = strchr(tmp+1, ' ');
 153         if (buf) {
 154             *buf = 0;
 155         }
 156         buf = strrchr(tmp, '/');
 157         if (buf) {
 158             *buf = 0; /* trunc filename */
 159             putdef(line, " -I", tmp);
 160         }
 161         wfree(tmp);
 162     }
 163
 164
 165     /* this should be done just once, but it works this way */
 166     strcpy(buffer, DEF_CONFIG_PATHS);
 167     buf = strtok(buffer, ":");
 168
 169     do {
 170         char fullpath[MAXLINE];
 171
 172         if (buf[0]!='~') {
 173             strcpy(fullpath, buf);
 174         } else {
 175             char * wgethomedir();
 176             /* home is statically allocated. Don't free it! */
 177             char *home = wgethomedir();
 178
 179             strcpy(fullpath, home);
 180             strcat(fullpath, &(buf[1]));
 181         }
 182
 183         putdef(line, " -I", fullpath);
 184
 185     } while ((buf = strtok(NULL, ":"))!=NULL);
 186
 187 #undef arg
 188 #ifdef DEBUG
 189     puts("CPP ARGS");
 190     puts(line);
 191 #endif
 192     return line;
 193 }
 194 #endif /* USECPP */
 195
 196
 197
 198
 199 #if 0
 200 /*
 201  * Is win2 below win1?
 202  */
 203 static Bool
 204 isBelow(WWindow *win1, WWindow *win2)
 205 {
 206     int i;
 207     WCoreWindow *tmp;
 208
 209     tmp = win1->frame->core->stacking->under;
 210     while (tmp) {
 211         if (tmp == win2->frame->core)
 212             return True;
 213         tmp = tmp->stacking->under;
 214     }
 215
 216     for (i=win1->frame->core->stacking->window_level-1; i>=0; i--) {
 217         tmp = win1->screen_ptr->stacking_list[i];
 218         while (tmp) {
 219             if (tmp == win2->frame->core)
 220                 return True;
 221             tmp = tmp->stacking->under;
 222         }
 223     }
 224     return True;
 225 }
 226 #endif
 227
 228
 229
 230 /*
 231  *  XFetchName Wrapper
 232  *
 233  */
 234 Bool
 235 wFetchName(dpy, win, winname)
 236 Display *dpy;
 237 Window win;
 238 char **winname;
 239 {
 240     XTextProperty text_prop;
 241     char **list;
 242     int num;
 243
 244     if (XGetWMName(dpy, win, &text_prop)) {
 245         if (text_prop.value && text_prop.nitems > 0) {
 246             if (text_prop.encoding == XA_STRING) {
 247                 *winname = wstrdup((char *)text_prop.value);
 248                 XFree(text_prop.value);
 249             } else {
 250                 text_prop.nitems = strlen((char *)text_prop.value);
 251                 if (XmbTextPropertyToTextList(dpy, &text_prop, &list, &num) >=
 252                     Success && num > 0 && *list) {
 253                     XFree(text_prop.value);
 254                     *winname = wstrdup(*list);
 255                     XFreeStringList(list);
 256                 } else {
 257                     *winname = wstrdup((char *)text_prop.value);
 258                     XFree(text_prop.value);
 259                 }
 260             }
 261         } else {
 262             /* the title is set, but it was set to none */
 263             *winname = wstrdup("");
 264         }
 265         return True;
 266     } else {
 267         /* the hint is probably not set */
 268         *winname = NULL;
 269
 270         return False;
 271     }
 272 }
 273
 274 /*
 275  *  XGetIconName Wrapper
 276  *
 277  */
 278
 279 Bool
 280 wGetIconName(dpy, win, iconname)
 281 Display *dpy;
 282 Window win;
 283 char **iconname;
 284 {
 285     XTextProperty text_prop;
 286     char **list;
 287     int num;
 288
 289     if (XGetWMIconName(dpy, win, &text_prop) != 0 && text_prop.value
 290         && text_prop.nitems > 0) {
 291         if (text_prop.encoding == XA_STRING)
 292             *iconname = (char *)text_prop.value;
 293         else {
 294             text_prop.nitems = strlen((char *)text_prop.value);
 295             if (XmbTextPropertyToTextList(dpy, &text_prop, &list, &num) >=
 296                 Success && num > 0 && *list) {
 297                 XFree(text_prop.value);
 298                 *iconname = wstrdup(*list);
 299                 XFreeStringList(list);
 300             } else
 301                 *iconname = (char *)text_prop.value;
 302         }
 303         return True;
 304     }
 305     *iconname = NULL;
 306     return False;
 307 }
 308
 309
 310 static void
 311 eatExpose()
 312 {
 313     XEvent event, foo;
 314
 315     /* compress all expose events into a single one */
 316
 317     if (XCheckMaskEvent(dpy, ExposureMask, &event)) {
 318         /* ignore other exposure events for this window */
 319         while (XCheckWindowEvent(dpy, event.xexpose.window, ExposureMask,
 320                                  &foo));
 321         /* eat exposes for other windows */
 322         eatExpose();
 323
 324         event.xexpose.count = 0;
 325         XPutBackEvent(dpy, &event);
 326     }
 327 }
 328
 329
 330 void
 331 SlideWindow(Window win, int from_x, int from_y, int to_x, int to_y)
 332 {
 333     time_t time0 = time(NULL);
 334     float dx, dy, x=from_x, y=from_y, sx, sy, px, py;
 335     int dx_is_bigger=0;
 336
 337     /* animation parameters */
 338     static struct {
 339         int delay;
 340         int steps;
 341         int slowdown;
 342     } apars[5] = {
 343         {ICON_SLIDE_DELAY_UF, ICON_SLIDE_STEPS_UF, ICON_SLIDE_SLOWDOWN_UF},
 344         {ICON_SLIDE_DELAY_F, ICON_SLIDE_STEPS_F, ICON_SLIDE_SLOWDOWN_F},
 345         {ICON_SLIDE_DELAY_M, ICON_SLIDE_STEPS_M, ICON_SLIDE_SLOWDOWN_M},
 346         {ICON_SLIDE_DELAY_S, ICON_SLIDE_STEPS_S, ICON_SLIDE_SLOWDOWN_S},
 347         {ICON_SLIDE_DELAY_US, ICON_SLIDE_STEPS_US, ICON_SLIDE_SLOWDOWN_US}};
 348
 349
 350
 351     dx = (float)(to_x-from_x);
 352     dy = (float)(to_y-from_y);
 353     sx = (dx == 0 ? 0 : fabs(dx)/dx);
 354     sy = (dy == 0 ? 0 : fabs(dy)/dy);
 355
 356     if (fabs(dx) > fabs(dy)) {
 357         dx_is_bigger = 1;
 358     }
 359
 360     if (dx_is_bigger) {
 361         px = dx / apars[(int)wPreferences.icon_slide_speed].slowdown;
 362         if (px < apars[(int)wPreferences.icon_slide_speed].steps && px > 0)
 363             px = apars[(int)wPreferences.icon_slide_speed].steps;
 364         else if (px > -apars[(int)wPreferences.icon_slide_speed].steps && px < 0)
 365             px = -apars[(int)wPreferences.icon_slide_speed].steps;
 366         py = (sx == 0 ? 0 : px*dy/dx);
 367     } else {
 368         py = dy / apars[(int)wPreferences.icon_slide_speed].slowdown;
 369         if (py < apars[(int)wPreferences.icon_slide_speed].steps && py > 0)
 370             py = apars[(int)wPreferences.icon_slide_speed].steps;
 371         else if (py > -apars[(int)wPreferences.icon_slide_speed].steps && py < 0)
 372             py = -apars[(int)wPreferences.icon_slide_speed].steps;
 373         px = (sy == 0 ? 0 : py*dx/dy);
 374     }
 375
 376     while (x != to_x || y != to_y) {
 377         x += px;
 378         y += py;
 379         if ((px<0 && (int)x < to_x) || (px>0 && (int)x > to_x))
 380             x = (float)to_x;
 381         if ((py<0 && (int)y < to_y) || (py>0 && (int)y > to_y))
 382             y = (float)to_y;
 383
 384         if (dx_is_bigger) {
 385             px = px * (1.0 - 1/(float)apars[(int)wPreferences.icon_slide_speed].slowdown);
 386             if (px < apars[(int)wPreferences.icon_slide_speed].steps && px > 0)
 387                 px = apars[(int)wPreferences.icon_slide_speed].steps;
 388             else if (px > -apars[(int)wPreferences.icon_slide_speed].steps && px < 0)
 389                 px = -apars[(int)wPreferences.icon_slide_speed].steps;
 390             py = (sx == 0 ? 0 : px*dy/dx);
 391         } else {
 392             py = py * (1.0 - 1/(float)apars[(int)wPreferences.icon_slide_speed].slowdown);
 393             if (py < apars[(int)wPreferences.icon_slide_speed].steps && py > 0)
 394                 py = apars[(int)wPreferences.icon_slide_speed].steps;
 395             else if (py > -apars[(int)wPreferences.icon_slide_speed].steps && py < 0)
 396                 py = -apars[(int)wPreferences.icon_slide_speed].steps;
 397             px = (sy == 0 ? 0 : py*dx/dy);
 398         }
 399
 400         XMoveWindow(dpy, win, (int)x, (int)y);
 401         XFlush(dpy);
 402         if (apars[(int)wPreferences.icon_slide_speed].delay > 0) {
 403             wusleep(apars[(int)wPreferences.icon_slide_speed].delay*1000L);
 404         } else {
 405             wusleep(10);
 406         }
 407         if (time(NULL) - time0 > MAX_ANIMATION_TIME)
 408             break;
 409     }
 410     XMoveWindow(dpy, win, to_x, to_y);
 411
 412     XSync(dpy, 0);
 413     /* compress expose events */
 414     eatExpose();
 415 }
 416
 417
 418 char*
 419 ShrinkString(WMFont *font, char *string, int width)
 420 {
 421     int w, w1=0;
 422     int p;
 423     char *pos;
 424     char *text;
 425     int p1, p2, t;
 426
 427     if (wPreferences.multi_byte_text)
 428         return wstrdup(string);
 429
 430     p = strlen(string);
 431     w = WMWidthOfString(font, string, p);
 432     text = wmalloc(strlen(string)+8);
 433     strcpy(text, string);
 434     if (w<=width)
 435         return text;
 436
 437     pos = strchr(text, ' ');
 438     if (!pos)
 439         pos = strchr(text, ':');
 440
 441     if (pos) {
 442         *pos = 0;
 443         p = strlen(text);
 444         w1 = WMWidthOfString(font, text, p);
 445         if (w1 > width) {
 446             w1 = 0;
 447             p = 0;
 448             *pos = ' ';
 449             *text = 0;
 450         } else {
 451             *pos = 0;
 452             width -= w1;
 453             p++;
 454         }
 455         string += p;
 456         p=strlen(string);
 457     } else {
 458         *text=0;
 459     }
 460     strcat(text, "...");
 461     width -= WMWidthOfString(font, "...", 3);
 462     pos = string;
 463     p1=0;
 464     p2=p;
 465     t = (p2-p1)/2;
 466     while (p2>p1 && p1!=t) {
 467         w = WMWidthOfString(font, &string[p-t], t);
 468         if (w>width) {
 469             p2 = t;
 470             t = p1+(p2-p1)/2;
 471         } else if (w<width) {
 472             p1 = t;
 473             t = p1+(p2-p1)/2;
 474         } else
 475             p2=p1=t;
 476     }
 477     strcat(text, &string[p-p1]);
 478
 479     return text;
 480 }
 481
 482
 483 char*
 484 FindImage(char *paths, char *file)
 485 {
 486     char *tmp, *path;
 487
 488     tmp = strrchr(file, ':');
 489     if (tmp) {
 490         *tmp = 0;
 491         path = wfindfile(paths, file);
 492         *tmp = ':';
 493     }
 494     if (!tmp || !path) {
 495         path = wfindfile(paths, file);
 496     }
 497
 498     return path;
 499 }
 500
 501
 502 static void
 503 timeoutHandler(void *data)
 504 {
 505     *(int*)data = 1;
 506 }
 507
 508
 509 static char*
 510 getTextSelection(WScreen *screen, Atom selection)
 511 {
 512     int buffer = -1;
 513
 514     switch (selection) {
 515     case XA_CUT_BUFFER0:
 516         buffer = 0;
 517         break;
 518     case XA_CUT_BUFFER1:
 519         buffer = 1;
 520         break;
 521     case XA_CUT_BUFFER2:
 522         buffer = 2;
 523         break;
 524     case XA_CUT_BUFFER3:
 525         buffer = 3;
 526         break;
 527     case XA_CUT_BUFFER4:
 528         buffer = 4;
 529         break;
 530     case XA_CUT_BUFFER5:
 531         buffer = 5;
 532         break;
 533     case XA_CUT_BUFFER6:
 534         buffer = 6;
 535         break;
 536     case XA_CUT_BUFFER7:
 537         buffer = 7;
 538         break;
 539     }
 540     if (buffer >= 0) {
 541         char *data;
 542         int size;
 543
 544         data = XFetchBuffer(dpy, &size, buffer);
 545
 546         return data;
 547     } else {
 548         char *data;
 549         int bits;
 550         Atom rtype;
 551         unsigned long len, bytes;
 552         WMHandlerID timer;
 553         int timeout = 0;
 554         XEvent ev;
 555         static Atom clipboard = 0;
 556
 557         if (!clipboard)
 558             clipboard = XInternAtom(dpy, "CLIPBOARD", False);
 559
 560         XDeleteProperty(dpy, screen->info_window, clipboard);
 561
 562         XConvertSelection(dpy, selection, XA_STRING,
 563                           clipboard, screen->info_window,
 564                           CurrentTime);
 565
 566         timer = WMAddTimerHandler(1000, timeoutHandler, &timeout);
 567
 568         while (!XCheckTypedWindowEvent(dpy, screen->info_window,
 569                                        SelectionNotify, &ev) && !timeout);
 570
 571         if (!timeout) {
 572             WMDeleteTimerHandler(timer);
 573         } else {
 574             wwarning("selection retrieval timed out");
 575             return NULL;
 576         }
 577
 578         /* nobody owns the selection or the current owner has
 579          * nothing to do with what we need */
 580         if (ev.xselection.property == None) {
 581             return NULL;
 582         }
 583
 584         if (XGetWindowProperty(dpy, screen->info_window,
 585                                clipboard, 0, 1024,
 586                                False, XA_STRING, &rtype, &bits, &len,
 587                                &bytes, (unsigned char**)&data)!=Success) {
 588             return NULL;
 589         }
 590         if (rtype!=XA_STRING || bits!=8) {
 591             wwarning("invalid data in text selection");
 592             if (data)
 593                 XFree(data);
 594             return NULL;
 595         }
 596         return data;
 597     }
 598 }
 599
 600 static char*
 601 getselection(WScreen *scr)
 602 {
 603     char *tmp;
 604
 605     tmp = getTextSelection(scr, XA_PRIMARY);
 606     if (!tmp)
 607         tmp = getTextSelection(scr, XA_CUT_BUFFER0);
 608     return tmp;
 609 }
 610
 611
 612 static char*
 613 getuserinput(WScreen *scr, char *line, int *ptr)
 614 {
 615     char *ret;
 616     char *title;
 617     char *prompt;
 618     int j, state;
 619     int begin = 0;
 620 #define BUFSIZE 512
 621     char tbuffer[BUFSIZE], pbuffer[BUFSIZE];
 622
 623
 624     title = _("Program Arguments");
 625     prompt = _("Enter command arguments:");
 626     ret = NULL;
 627
 628 #define _STARTING 0
 629 #define _TITLE 1
 630 #define _PROMPT 2
 631 #define _DONE 3
 632
 633     state = _STARTING;
 634     j = 0;
 635     for (; line[*ptr]!=0 && state!=_DONE; (*ptr)++) {
 636         switch (state) {
 637         case _STARTING:
 638             if (line[*ptr]=='(') {
 639                 state = _TITLE;
 640                 begin = *ptr+1;
 641             } else {
 642                 state = _DONE;
 643             }
 644             break;
 645
 646         case _TITLE:
 647             if (j <= 0 && line[*ptr]==',') {
 648
 649                 j = 0;
 650                 if (*ptr > begin) {
 651                     strncpy(tbuffer, &line[begin], WMIN(*ptr-begin, BUFSIZE));
 652                     tbuffer[WMIN(*ptr-begin, BUFSIZE)] = 0;
 653                     title = (char*)tbuffer;
 654                 }
 655                 begin = *ptr+1;
 656                 state = _PROMPT;
 657
 658             } else if (j <= 0 && line[*ptr]==')') {
 659
 660                 if (*ptr > begin) {
 661                     strncpy(tbuffer, &line[begin], WMIN(*ptr-begin, BUFSIZE));
 662                     tbuffer[WMIN(*ptr-begin, BUFSIZE)] = 0;
 663                     title = (char*)tbuffer;
 664                 }
 665                 state = _DONE;
 666
 667             } else if (line[*ptr]=='(') {
 668                 j++;
 669             } else if (line[*ptr]==')') {
 670                 j--;
 671             }
 672
 673             break;
 674
 675         case _PROMPT:
 676             if (line[*ptr]==')' && j==0) {
 677
 678                 if (*ptr-begin > 1) {
 679                     strncpy(pbuffer, &line[begin], WMIN(*ptr-begin, BUFSIZE));
 680                     pbuffer[WMIN(*ptr-begin, BUFSIZE)] = 0;
 681                     prompt = (char*)pbuffer;
 682                 }
 683                 state = _DONE;
 684             } else if (line[*ptr]=='(')
 685                 j++;
 686             else if (line[*ptr]==')')
 687                 j--;
 688             break;
 689         }
 690     }
 691     (*ptr)--;
 692 #undef _STARTING
 693 #undef _TITLE
 694 #undef _PROMPT
 695 #undef _DONE
 696
 697     if (!wInputDialog(scr, title, prompt, &ret))
 698         return NULL;
 699     else
 700         return ret;
 701 }
 702
 703
 704 #define S_NORMAL 0
 705 #define S_ESCAPE 1
 706 #define S_OPTION 2
 707
 708 /*
 709  * state        input   new-state       output
 710  * NORMAL       %       OPTION          <nil>
 711  * NORMAL       \       ESCAPE          <nil>
 712  * NORMAL       etc.    NORMAL          <input>
 713  * ESCAPE       any     NORMAL          <input>
 714  * OPTION       s       NORMAL          <selection buffer>
 715  * OPTION       w       NORMAL          <selected window id>
 716  * OPTION       a       NORMAL          <input text>
 717  * OPTION       d       NORMAL          <OffiX DND selection object>
 718  * OPTION       W       NORMAL          <current workspace>
 719  * OPTION       etc.    NORMAL          %<input>
 720  */
 721 #define TMPBUFSIZE 64
 722 char*
 723 ExpandOptions(WScreen *scr, char *cmdline)
 724 {
 725     int ptr, optr, state, len, olen;
 726     char *out, *nout;
 727     char *selection=NULL;
 728     char *user_input=NULL;
 729 #ifdef XDND
 730     char *dropped_thing=NULL;
 731 #endif
 732     char tmpbuf[TMPBUFSIZE];
 733     int slen;
 734
 735     len = strlen(cmdline);
 736     olen = len+1;
 737     out = malloc(olen);
 738     if (!out) {
 739         wwarning(_("out of memory during expansion of \"%s\""));
 740         return NULL;
 741     }
 742     *out = 0;
 743     ptr = 0;                           /* input line pointer */
 744     optr = 0;                          /* output line pointer */
 745     state = S_NORMAL;
 746     while (ptr < len) {
 747         switch (state) {
 748         case S_NORMAL:
 749             switch (cmdline[ptr]) {
 750             case '\\':
 751                 state = S_ESCAPE;
 752                 break;
 753             case '%':
 754                 state = S_OPTION;
 755                 break;
 756             default:
 757                 state = S_NORMAL;
 758                 out[optr++]=cmdline[ptr];
 759                 break;
 760             }
 761             break;
 762         case S_ESCAPE:
 763             switch (cmdline[ptr]) {
 764             case 'n':
 765                 out[optr++]=10;
 766                 break;
 767
 768             case 'r':
 769                 out[optr++]=13;
 770                 break;
 771
 772             case 't':
 773                 out[optr++]=9;
 774                 break;
 775
 776             default:
 777                 out[optr++]=cmdline[ptr];
 778             }
 779             state = S_NORMAL;
 780             break;
 781         case S_OPTION:
 782             state = S_NORMAL;
 783             switch (cmdline[ptr]) {
 784             case 'w':
 785                 if (scr->focused_window
 786                     && scr->focused_window->flags.focused) {
 787                     snprintf(tmpbuf, sizeof(tmpbuf), "0x%x",
 788                              (unsigned int)scr->focused_window->client_win);
 789                     slen = strlen(tmpbuf);
 790                     olen += slen;
 791                     nout = realloc(out,olen);
 792                     if (!nout) {
 793                         wwarning(_("out of memory during expansion of \"%w\""));
 794                         goto error;
 795                     }
 796                     out = nout;
 797                     strcat(out,tmpbuf);
 798                     optr+=slen;
 799                 } else {
 800                     out[optr++]=' ';
 801                 }
 802                 break;
 803
 804             case 'W':
 805                 snprintf(tmpbuf, sizeof(tmpbuf), "0x%x",
 806                          (unsigned int)scr->current_workspace + 1);
 807                 slen = strlen(tmpbuf);
 808                 olen += slen;
 809                 nout = realloc(out,olen);
 810                 if (!nout) {
 811                     wwarning(_("out of memory during expansion of \"%W\""));
 812                     goto error;
 813                 }
 814                 out = nout;
 815                 strcat(out,tmpbuf);
 816                 optr+=slen;
 817                 break;
 818
 819             case 'a':
 820                 ptr++;
 821                 user_input = getuserinput(scr, cmdline, &ptr);
 822                 if (user_input) {
 823                     slen = strlen(user_input);
 824                     olen += slen;
 825                     nout = realloc(out,olen);
 826                     if (!nout) {
 827                         wwarning(_("out of memory during expansion of \"%a\""));
 828                         goto error;
 829                     }
 830                     out = nout;
 831                     strcat(out,user_input);
 832                     optr+=slen;
 833                 } else {
 834                     /* Not an error, but user has Canceled the dialog box.
 835                      * This will make the command to not be performed. */
 836                     goto error;
 837                 }
 838                 break;
 839
 840 #ifdef XDND
 841             case 'd':
 842                 if(scr->xdestring) {
 843                     dropped_thing = wstrdup(scr->xdestring);
 844                 }
 845                 if (!dropped_thing) {
 846                     dropped_thing = get_dnd_selection(scr);
 847                 }
 848                 if (!dropped_thing) {
 849                     scr->flags.dnd_data_convertion_status = 1;
 850                     goto error;
 851                 }
 852                 slen = strlen(dropped_thing);
 853                 olen += slen;
 854                 nout = realloc(out,olen);
 855                 if (!nout) {
 856                     wwarning(_("out of memory during expansion of \"%d\""));
 857                     goto error;
 858                 }
 859                 out = nout;
 860                 strcat(out,dropped_thing);
 861                 optr+=slen;
 862                 break;
 863 #endif /* XDND */
 864
 865             case 's':
 866                 if (!selection) {
 867                     selection = getselection(scr);
 868                 }
 869                 if (!selection) {
 870                     wwarning(_("selection not available"));
 871                     goto error;
 872                 }
 873                 slen = strlen(selection);
 874                 olen += slen;
 875                 nout = realloc(out,olen);
 876                 if (!nout) {
 877                     wwarning(_("out of memory during expansion of \"%s\""));
 878                     goto error;
 879                 }
 880                 out = nout;
 881                 strcat(out,selection);
 882                 optr+=slen;
 883                 break;
 884
 885             default:
 886                 out[optr++]='%';
 887                 out[optr++]=cmdline[ptr];
 888             }
 889             break;
 890         }
 891         out[optr]=0;
 892         ptr++;
 893     }
 894     if (selection)
 895         XFree(selection);
 896     return out;
 897
 898 error:
 899     wfree(out);
 900     if (selection)
 901         XFree(selection);
 902     return NULL;
 903 }
 904
 905
 906 void
 907 ParseWindowName(WMPropList *value, char **winstance, char **wclass, char *where)
 908 {
 909     char *name;
 910
 911     *winstance = *wclass = NULL;
 912
 913     if (!WMIsPLString(value)) {
 914         wwarning(_("bad window name value in %s state info"), where);
 915         return;
 916     }
 917
 918     name = WMGetFromPLString(value);
 919     if (!name || strlen(name)==0) {
 920         wwarning(_("bad window name value in %s state info"), where);
 921         return;
 922     }
 923
 924     UnescapeWM_CLASS(name, winstance, wclass);
 925 }
 926
 927
 928 #if 0
 929 static char*
 930 keysymToString(KeySym keysym, unsigned int state)
 931 {
 932     XKeyEvent kev;
 933     char *buf = wmalloc(20);
 934     int count;
 935
 936     kev.display = dpy;
 937     kev.type = KeyPress;
 938     kev.send_event = False;
 939     kev.window = DefaultRootWindow(dpy);
 940     kev.root = DefaultRootWindow(dpy);
 941     kev.same_screen = True;
 942     kev.subwindow = kev.root;
 943     kev.serial = 0x12344321;
 944     kev.time = CurrentTime;
 945     kev.state = state;
 946     kev.keycode = XKeysymToKeycode(dpy, keysym);
 947     count = XLookupString(&kev, buf, 19, NULL, NULL);
 948     buf[count] = 0;
 949
 950     return buf;
 951 }
 952 #endif
 953
 954
 955 char*
 956 GetShortcutString(char *text)
 957 {
 958     char *buffer = NULL;
 959     char *k;
 960     int modmask = 0;
 961     /*    KeySym ksym;*/
 962     int control = 0;
 963     char *tmp;
 964
 965     tmp = text = wstrdup(text);
 966
 967     /* get modifiers */
 968     while ((k = strchr(text, '+'))!=NULL) {
 969         int mod;
 970
 971         *k = 0;
 972         mod = wXModifierFromKey(text);
 973         if (mod<0) {
 974             return wstrdup("bug");
 975         }
 976
 977         modmask |= mod;
 978
 979         if (strcasecmp(text, "Meta")==0) {
 980             buffer = wstrappend(buffer, "M+");
 981         } else if (strcasecmp(text, "Alt")==0) {
 982             buffer = wstrappend(buffer, "A+");
 983         } else if (strcasecmp(text, "Shift")==0) {
 984             buffer = wstrappend(buffer, "Sh+");
 985         } else if (strcasecmp(text, "Mod1")==0) {
 986             buffer = wstrappend(buffer, "M1+");
 987         } else if (strcasecmp(text, "Mod2")==0) {
 988             buffer = wstrappend(buffer, "M2+");
 989         } else if (strcasecmp(text, "Mod3")==0) {
 990             buffer = wstrappend(buffer, "M3+");
 991         } else if (strcasecmp(text, "Mod4")==0) {
 992             buffer = wstrappend(buffer, "M4+");
 993         } else if (strcasecmp(text, "Mod5")==0) {
 994             buffer = wstrappend(buffer, "M5+");
 995         } else if (strcasecmp(text, "Control")==0) {
 996             control = 1;
 997         } else {
 998             buffer = wstrappend(buffer, text);
 999         }
1000         text = k+1;
1001     }
1002
1003     if (control) {
1004         buffer = wstrappend(buffer, "^");
1005     }
1006     buffer = wstrappend(buffer, text);
1007
1008     /* get key */
1009     /*    ksym = XStringToKeysym(text);
1010      tmp = keysymToString(ksym, modmask);
1011      puts(tmp);
1012      buffer = wstrappend(buffer, tmp);
1013      */
1014     wfree(tmp);
1015
1016     return buffer;
1017 }
1018
1019
1020 char*
1021 EscapeWM_CLASS(char *name, char *class)
1022 {
1023     char *ret;
1024     char *ename = NULL, *eclass = NULL;
1025     int i, j, l;
1026
1027     if (!name && !class)
1028         return NULL;
1029
1030     if (name) {
1031         l = strlen(name);
1032         ename = wmalloc(l*2+1);
1033         j = 0;
1034         for (i=0; i<l; i++) {
1035             if (name[i]=='\\') {
1036                 ename[j++] = '\\';
1037             } else if (name[i]=='.') {
1038                 ename[j++] = '\\';
1039             }
1040             ename[j++] = name[i];
1041         }
1042         ename[j] = 0;
1043     }
1044     if (class) {
1045         l = strlen(class);
1046         eclass = wmalloc(l*2+1);
1047         j = 0;
1048         for (i=0; i<l; i++) {
1049             if (class[i]=='\\') {
1050                 eclass[j++] = '\\';
1051             } else if (class[i]=='.') {
1052                 eclass[j++] = '\\';
1053             }
1054             eclass[j++] = class[i];
1055         }
1056         eclass[j] = 0;
1057     }
1058
1059     if (ename && eclass) {
1060         int len = strlen(ename)+strlen(eclass)+4;
1061         ret = wmalloc(len);
1062         snprintf(ret, len, "%s.%s", ename, eclass);
1063         wfree(ename);
1064         wfree(eclass);
1065     } else if (ename) {
1066         ret = wstrdup(ename);
1067         wfree(ename);
1068     } else {
1069         ret = wstrdup(eclass);
1070         wfree(eclass);
1071     }
1072
1073     return ret;
1074 }
1075
1076
1077 void
1078 UnescapeWM_CLASS(char *str, char **name, char **class)
1079 {
1080     int i, j, k, dot;
1081
1082     j = strlen(str);
1083     *name = wmalloc(j);
1084     **name = 0;
1085     *class = wmalloc(j);
1086     **class = 0;
1087
1088     /* separate string in 2 parts */
1089     dot = -1;
1090     for (i = 0; i < j; i++) {
1091         if (str[i]=='\\') {
1092             i++;
1093             continue;
1094         } else if (str[i]=='.') {
1095             dot = i;
1096             break;
1097         }
1098     }
1099
1100     /* unescape strings */
1101     for (i=0, k=0; i < dot; i++) {
1102         if (str[i]=='\\') {
1103             continue;
1104         } else {
1105             (*name)[k++] = str[i];
1106         }
1107     }
1108     (*name)[k] = 0;
1109
1110     for (i=dot+1, k=0; i<j; i++) {
1111         if (str[i]=='\\') {
1112             continue;
1113         } else {
1114             (*class)[k++] = str[i];
1115         }
1116     }
1117     (*class)[k] = 0;
1118
1119     if (!*name) {
1120         wfree(*name);
1121         *name = NULL;
1122     }
1123     if (!*class) {
1124         wfree(*class);
1125         *class = NULL;
1126     }
1127 }
1128
1129
1130
1131 void
1132 SendHelperMessage(WScreen *scr, char type, int workspace, char *msg)
1133 {
1134     unsigned char *buffer;
1135     int len;
1136     int i;
1137     char buf[16];
1138
1139     if (!scr->flags.backimage_helper_launched) {
1140         return;
1141     }
1142
1143     len = (msg ? strlen(msg) : 0) + (workspace >=0 ? 4 : 0) + 1 ;
1144     buffer = wmalloc(len+5);
1145     snprintf(buf, len, "%4i", len);
1146     memcpy(buffer, buf, 4);
1147     buffer[4] = type;
1148     i = 5;
1149     if (workspace >= 0) {
1150         snprintf(buf, sizeof(buf), "%4i", workspace);
1151         memcpy(&buffer[i], buf, 4);
1152         i += 4;
1153         buffer[i] = 0;
1154     }
1155     if (msg)
1156         strcpy(&buffer[i], msg);
1157
1158     if (write(scr->helper_fd, buffer, len+4) < 0) {
1159         wsyserror(_("could not send message to background image helper"));
1160     }
1161     wfree(buffer);
1162 }
1163
1164
1165 Bool
1166 UpdateDomainFile(WDDomain *domain)
1167 {
1168     struct stat stbuf;
1169     char path[PATH_MAX];
1170     WMPropList *shared_dict, *dict;
1171     Bool result, freeDict = False;
1172
1173     dict = domain->dictionary;
1174     if (WMIsPLDictionary(domain->dictionary)) {
1175         /* retrieve global system dictionary */
1176         snprintf(path, sizeof(path), "%s/WindowMaker/%s",
1177                  SYSCONFDIR, domain->domain_name);
1178         if (stat(path, &stbuf) >= 0) {
1179             shared_dict = WMReadPropListFromFile(path);
1180             if (shared_dict) {
1181                 if (WMIsPLDictionary(shared_dict)) {
1182                     freeDict = True;
1183                     dict = WMDeepCopyPropList(domain->dictionary);
1184                     WMSubtractPLDictionaries(dict, shared_dict, True);
1185                 }
1186                 WMReleasePropList(shared_dict);
1187             }
1188         }
1189     }
1190
1191     result = WMWritePropListToFile(dict, domain->path, True);
1192
1193     if (freeDict) {
1194         WMReleasePropList(dict);
1195     }
1196
1197     return result;
1198 }
1199
1200
1201 char*
1202 StrConcatDot(char *a, char *b)
1203 {
1204     int len;
1205     char *str;
1206
1207     if (!a)
1208         a = "";
1209     if (!b)
1210         b = "";
1211
1212     len = strlen(a)+strlen(b)+4;
1213     str = wmalloc(len);
1214
1215     snprintf(str, len, "%s.%s", a, b);
1216
1217     return str;
1218 }
1219
1220
1221 Bool
1222 GetCommandForPid(int pid, char ***argv, int *argc)
1223 {
1224     char buf[1024];
1225     FILE *fPtr;
1226     int count, i, j;
1227     Bool ok= False;
1228
1229     sprintf(buf, "/proc/%d/cmdline", pid);
1230     fPtr = fopen(buf, "r");
1231     if (fPtr) {
1232         count = read(fileno(fPtr), buf, 1024);
1233         if (count > 0) {
1234             buf[count] = 0;
1235             for (i=0, *argc=0; i<count; i++) {
1236                 if (buf[i] == 0) {
1237                     (*argc)++;
1238                 }
1239             }
1240             if ((*argc) == 0) {
1241                 *argv = NULL;
1242                 ok= False;
1243             } else {
1244                 *argv = (char**) wmalloc(sizeof(char*) * (*argc));
1245                 (*argv)[0] = buf;
1246                 for (i=0, j=1; i<count; i++) {
1247                     if (buf[i] != 0)
1248                       continue;
1249                     if (i < count-1) {
1250                         (*argv)[j++] = &buf[i+1];
1251                     }
1252                 }
1253                 ok= True;
1254             }
1255         }
1256         fclose(fPtr);
1257     }
1258
1259     return ok;
1260 }
1261
1262
1263 static char*
1264 getCommandForWindow(Window win, int elements)
1265 {
1266     char **argv, *command = NULL;
1267     int argc;
1268
1269     if (XGetCommand(dpy, win, &argv, &argc)) {
1270         if (argc > 0 && argv != NULL) {
1271             if (elements==0)
1272                 elements = argc;
1273             command = wtokenjoin(argv, WMIN(argc, elements));
1274             if (command[0] == 0) {
1275                 wfree(command);
1276                 command = NULL;
1277             }
1278         }
1279         if (argv) {
1280             XFreeStringList(argv);
1281         }
1282     }
1283
1284     return command;
1285 }
1286
1287
1288 /* Free result when done */
1289 char*
1290 GetCommandForWindow(Window win)
1291 {
1292     return getCommandForWindow(win, 0);
1293 }
1294
1295
1296 /* Free result when done */
1297 char*
1298 GetProgramNameForWindow(Window win)
1299 {
1300     return getCommandForWindow(win, 1);
1301 }
1302
1303